TABLE 5.
Asymmetry proportion comparisons in the analyzed biosignals: the asymmetry occurrence between supine (S1), the initial part of tilt (T1), and the pre-syncope phase of tilt (T2) in the head-up tilt test in vasovagal patients obtained by Porta’s Index (PI > 50) and Guzik’s Index (GI > 50 and GIS < 50).
| Measured biosignal | Asymmetry indicator | p-values | Post-hoc p a | ||
|---|---|---|---|---|---|
| S1–T1 | S1–T2 | T1–T2 | |||
| RR | PI > 50 | 1.000 | 1.000 | 1.000 | 1.000 |
| sBP | 0.121 | 0.514 | 0.176 | 0.514 | |
| dBP | 0.105 | 0.514 | 0.102 | 0.514 | |
| PP | 0.339 | 0.472 | 0.705 | 0.635 | |
| RR | GI > 50 | 0.779 | 1.000 | 1.000 | 1.000 |
| sBP | 0.558 | 0.951 | 1.000 | 1.000 | |
| dBP | 0.037 | 0.024 | 0.068 | 0.763 | |
| PP | 0.607 | 1.000 | 1.000 | 1.000 | |
| RR | GIS < 50 | 0.895 | 1.000 | 1.000 | 1.000 |
| sBP | 0.121 | 0.480 | 0.076 | 0.359 | |
| dBP | 0.174 | 0.705 | 0.411 | 0.176 | |
| PP | 0.282 | 0.395 | 0.635 | 0.635 | |
a
Holm’s correction.